Electrochemistry Application — Metal-organic framework nanomaterials as novel signal probes for electron transfer mediated ultrasensitive electrochemical immunoassay

7 measurement groups · 17 results

Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.

Cd2+-exchanged cleaned HKUST-1 MOFs · Powder

Typical DPV signal for MOFs before and after ion exchange reaction of Cd2+; axis around -1.0 to -0.6 V vs SCE.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cd2+ DPV peak current after exchange	approximately -38 uA at -0.8 V	—	—	Figure Axis Approximate	8 · Supporting Information · Figure S6
Cd2+ DPV peak potential after exchange	-0.8 V	—	—	Text Exact Reported	4 · Immunoassay Using MOF-Metal-Ion Probes · Immunoassay Using MOF-Metal-Ion Probes
Cd2+ DPV before exchange	signal at -0.8 V could not be detected before Cd2+ ion exchange	—	—	Text Qualitative	4 · Immunoassay Using MOF-Metal-Ion Probes

Cd-MOF-74 DPV signal-probe sample · Powder

Typical DPV signal for cadmium-based MOFs (Cd-MOF-74).

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cd-MOF-74 DPV peak current	approximately -24.5 uA	—	—	Figure Axis Approximate	11 · Supporting Information · Figure S9
Cd-MOF-74 DPV peak potential	approximately -0.80 V vs SCE	—	—	Figure Axis Approximate	11 · Supporting Information · Figure S9

Au-MOFs-Ab2-CRP/anti-CRP/Pt-COFs/GCE immunosensor · Electrode

CV of Au/Cu(II)-HKUST-1 labelled anti-CRP/CRP/anti-CRP/Pt-COF/GCE at scan rates from 40 to 180 mV/s.

Geometry: sandwich immunosensor on Pt-COFs/GCE
Context: full application construct
Measurement source: 6 · Electrochemical Characterization of the Modified GC Electrode · Figure 4

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
scan-rate dependence	peak current proportional to square root of scanning rate; diffusion-controlled electrode process	—	—	Text Qualitative	6 · Electrochemical Characterization of the Modified GC Electrode · Figure 4
CV scan-rate range maximum	180 mV/s	—	—	Text Exact Reported	6 · Electrochemical Characterization of the Modified GC Electrode · Figure 4
CV scan-rate range minimum	40 mV/s	—	—	Text Exact Reported	6 · Electrochemical Characterization of the Modified GC Electrode · Figure 4

Au-MOFs-Ab2-CRP/anti-CRP/Pt-COFs/GCE immunosensor · Electrode

DPV in pH 4.5 HAc/NaAc, scan 0.3 to -0.3 V, pulse amplitude 25 mV, pulse frequency 15 Hz, quiet time 2 s; CRP response recorded at -0.02 V.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu2+ reduction response potential used for CRP quantification	-0.02 V	—	—	Text Exact Reported	3 · Measurement Procedure
DPV scan upper potential	0.3 V	—	—	Text Exact Reported	3 · Measurement Procedure
DPV scan lower potential	-0.3 V	—	—	Text Exact Reported	3 · Measurement Procedure

cleaned HKUST-1 MOFs · Powder

K4[Fe(CN)6] solution containing 6 M HAc tested with 10 uM Cu2+ standard and with washing solution of cleaned MOFs.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
10 uM Cu2+ positive chromogenic control	reddish-brown precipitate/colour in 6 M HAc and K4[Fe(CN)6] with 10 uM Cu2+	—	—	Caption Exact Reported	2 · Supporting Information · Figure S1
MOF washing solution free-Cu2+ test	washing solution of MOFs was colourless/no red precipitate	—	—	Text Qualitative	4 · Immunoassay Using MOF-Metal-Ion Probes

cleaned HKUST-1 MOFs · Powder

Typical DPV signal of cleaned MOFs; axis spans -0.6 to 0.4 V vs SCE and 0 to -100 uA.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
cleaned HKUST-1 DPV peak current	approximately -88 uA	—	—	Figure Axis Approximate	3 · Supporting Information · Figure S2
cleaned HKUST-1 DPV peak potential	approximately -0.06 V vs SCE	—	—	Figure Axis Approximate	3 · Supporting Information · Figure S2

ZIF-8 DPV signal-probe sample · Powder

Typical DPV signal for zinc-based MOFs (ZIF-8).

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ZIF-8 DPV peak current	approximately -44 uA	—	—	Figure Axis Approximate	12 · Supporting Information · Figure S10
ZIF-8 DPV peak potential	approximately -1.04 V vs SCE	—	—	Figure Axis Approximate	12 · Supporting Information · Figure S10